Liutgard Schauenburg von Holstein was born circa 1251 to Gerhard I. von Holstein-Itzehoe (1232-1290) and Elisabeth zu Mecklenburg (c1230-c1280) and died 1289 of unspecified causes. She married Johann I. von Lüneburg (1242-1277) 1265 JL in Hamburg.
Children
| Name | Birth | Death | Joined with |
| Otto II. von Braunschweig-Lüneburg (c1266-1330) | 1266 | 10 April 1330 | Mechthild von Wittelsbach (1275-1319) |
| Matilde von Lüneburg (-aft1301) | |||
| Elisabeth von Lüneburg (-bef1299) | 1299 | Johann II. von Oldenburg (c1270-1316) | |
| Helene von Lüneburg (-) | |||
| Agnes von Lüneburg (-) | |||